0121 Rivets - Trebol

The Bolkop blind rivet, also known as trebol, ensures robust connections. With its distinctive spherical head and the EPDM sealing ring, it provides a reliable seal. The EPDM ring, with a maximum diameter of 50 mm, guarantees a water- and airtight fastening, making it ideal for various applications.

Diameter (mm)
Length (mm)
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Product Information

The Dome Head blind rivet, also known as the "trebol," is an essential fastening device characterized by its distinctive spherical head. What sets this blind rivet apart is the integrated EPDM sealing ring. Constructed from ethylene-propylene-diene-monomer (EPDM), this sealing ring offers excellent properties such as resistance to weather and chemicals.



The trebol is commonly employed in situations where water and airtightness are crucial, such as in the construction and automotive industries. The combination of the Dome Head and the EPDM sealing ring creates a durable connection that withstands environmental influences, corrosion, and vibrations. With a maximum of 200 words, this fastening solution highlights the perfect balance between functionality and reliability, making it a widely favored choice in various application areas.

Available Variants (6)
Diameter (mm)Length (mm)Clamp ThicknessMaterial
5.217.50.5 - 4.8Aluminium / Aluminium
5.219.11.5 - 6.4Aluminium / Aluminium
5.222.24.8 - 9.5Aluminium / Aluminium
5.225.47.9 - 12.7Aluminium / Aluminium
5.228.611.1 - 15.9Aluminium / Aluminium
5.231.814.3 - 19.1Aluminium / Aluminium

Your customised fixing solution within 3 minutes

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Your customised fixing solution within 3 minutes

Discover the facade solution that meets your requirements together with an expert.